Add project files.

wishlist/wishlist.Client/Program.cs

@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.Components.Authorization;
+using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
+using wishlist.Client;
+
+var builder = WebAssemblyHostBuilder.CreateDefault(args);
+
+builder.Services.AddAuthorizationCore();
+builder.Services.AddCascadingAuthenticationState();
+builder.Services.AddSingleton<AuthenticationStateProvider, PersistentAuthenticationStateProvider>();
+
+await builder.Build().RunAsync();